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Update auth libraries, fix brandingSettings update · youtube/api-samples@3702238 · GitHub
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Update auth libraries, fix brandingSettings update
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The oauth2client library is deprecated. This update changes the sample to use the google-auth and google-auth-oauthlib libraries instead. Update code sample to update brandingSettings (defaultLanguage) and localizations separately. Support localized channel title and localized channel description.
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@AndyDiamondstein
AndyDiamondstein committed Oct 20, 2017
1 parent f058c43 commit 3702238
Showing 1 changed file with 87 additions and 84 deletions .
171 changes: 87 additions & 84 deletions python/channel_localizations.py
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@@ -1,17 +1,17 @@
#!/usr/bin/python

# Usage example:
# python channel_localizations.py --action='<action>' --channel_id='<channel_id>' --default_language='<default_language>' --language='<language>' --description='<description>'
# python channel_localizations.py --action='<action>' --channel_id='<channel_id>' --default_language='<default_language>' --language='<language>' -- title='<title>' -- description='<description>'

import httplib2
import argparse
import os
import sys
import re

from apiclient . discovery import build
from apiclient . errors import HttpError
from oauth2client . client import flow_from_clientsecrets
from oauth2client . file import Storage
from oauth2client . tools import argparser , run_flow
import google . oauth2 . credentials
import google_auth_oauthlib . flow
from googleapiclient . discovery import build
from googleapiclient . errors import HttpError
from google_auth_oauthlib . flow import InstalledAppFlow


# The CLIENT_SECRETS_FILE variable specifies the name of a file that contains
Expand All @@ -25,137 +25,140 @@
# https://developers.google.com/youtube/v3/guides/authentication
# For more information about the client_secrets.json file format, see:
# https://developers.google.com/api-client-library/python/guide/aaa_client_secrets
CLIENT_SECRETS_FILE = "client_secrets .json "
CLIENT_SECRETS_FILE = 'client_secret .json '

# This OAuth 2.0 access scope allows for full read/write access to the
# authenticated user's account.
YOUTUBE_READ_WRITE_SCOPE = "https://www.googleapis.com/auth/youtube"
YOUTUBE_API_SERVICE_NAME = "youtube"
YOUTUBE_API_VERSION = "v3"

# This variable defines a message to display if the CLIENT_SECRETS_FILE is
# missing.
MISSING_CLIENT_SECRETS_MESSAGE = """
WARNING: Please configure OAuth 2.0
To make this sample run you will need to populate the client_secrets.json file
found at:
%s
with information from the APIs Console
https://console.developers.google.com
For more information about the client_secrets.json file format, please visit:
https://developers.google.com/api-client-library/python/guide/aaa_client_secrets
""" % os . path . abspath ( os . path . join ( os . path . dirname ( __file__ ),
CLIENT_SECRETS_FILE ))
SCOPES = [ 'https://www.googleapis.com/auth/youtube' ]
API_SERVICE_NAME = 'youtube'
API_VERSION = 'v3'

# Authorize the request and store authorization credentials.
def get_authenticated_service ( args ):
flow = flow_from_clientsecrets ( CLIENT_SECRETS_FILE , scope = YOUTUBE_READ_WRITE_SCOPE ,
message = MISSING_CLIENT_SECRETS_MESSAGE )

storage = Storage ( "%s-oauth2.json" % sys . argv [ 0 ])
credentials = storage . get ()

if credentials is None or credentials . invalid :
credentials = run_flow ( flow , storage , args )

return build ( YOUTUBE_API_SERVICE_NAME , YOUTUBE_API_VERSION ,
http = credentials . authorize ( httplib2 . Http ()))

def get_authenticated_service ():
flow = InstalledAppFlow . from_client_secrets_file ( CLIENT_SECRETS_FILE , SCOPES )
credentials = flow . run_console ()
return build ( API_SERVICE_NAME , API_VERSION , credentials = credentials )

# Call the API's channels.update method to update an existing channel's default language,
# and localized description in a specific language.
def set_channel_localization ( youtube , channel_id , default_language , language , description ):
def set_channel_localization ( youtube , args ):
results = youtube . channels (). list (
part = "brandingSettings, localizations " ,
id = channel_id
part = ' localizations ' ,
id = args . channel_id
). execute ()

channel = results [ "items" ][ 0 ]
channel = results [ 'items' ][ 0 ]

# Ensure that a value is set for the resource's snippet.defaultLanguage property.
# To set the snippet.defaultLanguage property for a channel resource,
# you actually need to update the brandingSettings.channel.defaultLanguage property.
channel [ "brandingSettings" ][ "channel" ][ "defaultLanguage" ] = default_language
if "localizations" not in channel :
channel [ "localizations" ] = {}
channel [ "localizations" ][ language ] = {
"description" : description
if 'localizations' not in channel :
channel [ 'localizations' ] = {}
if args . title and args . description and args . language :
channel [ 'localizations' ][ args . language ] = {
'title' : args . title ,
'description' : args . description
}

# Set the default language if it is provided as an argument
if args . default_language :
results = youtube . channels (). list (
part = 'brandingSettings' ,
id = args . channel_id
). execute ()
branding_settings_channel = results [ 'items' ][ 0 ]
# This property must be removed when changing the default language
# or set to the original channel title to avoid a
# channelTitleUpdateForbidden error.
del branding_settings_channel [ 'brandingSettings' ][ 'channel' ][ 'title' ]
branding_settings_channel [ 'brandingSettings' ][ 'channel' ][ 'defaultLanguage' ] = (
args . default_language )
language_result = youtube . channels (). update (
part = 'brandingSettings' ,
body = branding_settings_channel
). execute ()
updated_default_language = (
language_result [ 'brandingSettings' ][ 'channel' ][ 'defaultLanguage' ])
print 'Updated language to %s' % updated_default_language

update_result = youtube . channels (). update (
part = "brandingSettings, localizations " ,
part = ' localizations ' ,
body = channel
). execute ()

localization = update_result [ " localizations " ][ language ]
localization = update_result [ ' localizations ' ][ args . language ]

print ( "Updated channel '%s' default language to '%s', localized description"
" to '%s' in language '%s'" % ( channel_id , localization [ "description" ], language ))
print ( 'Updated channel \' %s \' localized title and description to '
' \' %s \' and \' %s \' in language \' %s \' ' %
( args . channel_id , localization [ 'title' ], localization [ 'description' ], args . language ))


# Call the API's channels.list method to retrieve an existing channel localization.
# If the localized text is not available in the requested language,
# this method will return text in the default language.
def get_channel_localization ( youtube , channel_id , language ):
results = youtube . channels (). list (
part = " snippet " ,
part = ' snippet ' ,
id = channel_id ,
hl = language
). execute ()

# The localized object contains localized text if the hl parameter specified
# a language for which localized text is available. Otherwise, the localized
# object will contain metadata in the default language.
localized = results [ " items " ][ 0 ][ " snippet " ][ " localized " ]
localized = results [ ' items ' ][ 0 ][ ' snippet ' ][ ' localized ' ]

print " Channel description is '%s' in language '%s '" % ( localized [ " description " ], language )
print ' Channel description is \ ' %s \ ' in language \ ' %s \' ' % ( localized [ ' description ' ], language )


# Call the API's channels.list method to list the existing channel localizations.
def list_channel_localizations ( youtube , channel_id ):
results = youtube . channels (). list (
part = " snippet,localizations " ,
part = ' snippet,localizations ' ,
id = channel_id
). execute ()

localizations = results [ " items " ][ 0 ][ " localizations " ]
localizations = results [ ' items ' ][ 0 ][ ' localizations ' ]

for language , localization in localizations . iteritems ():
print "Channel description is '%s' in language '%s'" % ( localization [ "description" ], language )


if __name__ == "__main__" :
# The "action" option specifies the action to be processed.
argparser . add_argument ( "--action" , help = "Action" )
# The "channel_id" option specifies the ID of the selected YouTube channel.
argparser . add_argument ( "--channel_id" ,
help = "ID for channel for which the localization will be applied." )
# The "default_language" option specifies the language of the channel's default metadata.
argparser . add_argument ( "--default_language" , help = "Default language of the channel to update." ,
default = "en" )
# The "language" option specifies the language of the localization that is being processed.
argparser . add_argument ( "--language" , help = "Language of the localization." , default = "de" )
# The "description" option specifies the localized description of the chanel to be set.
argparser . add_argument ( "--description" , help = "Localized description of the channel to be set." ,
default = "Localized Description" )

args = argparser . parse_args ()
print 'Channel description is \' %s \' in language \' %s \' ' % ( localization [ 'description' ], language )


if __name__ == '__main__' :
parser = argparse . ArgumentParser ()
# The 'action' option specifies the action to be processed.
parser . add_argument ( '--action' , help = 'Action' )
# The 'channel_id' option specifies the ID of the selected YouTube channel.
parser . add_argument ( '--channel_id' ,
help = 'ID for channel for which the localization will be applied.' )
# The 'default_language' option specifies the language of the channel's default metadata.
parser . add_argument ( '--default_language' , help = 'Default language of the channel to update.' ,
default = None )
# The 'language' option specifies the language of the localization that is being processed.
parser . add_argument ( '--language' , help = 'Language of the localization.' , default = 'de' )
# The 'title' option specifies the localized title of the chanel to be set.
parser . add_argument ( '--title' , help = 'Localized title of the channel to be set.' ,
default = 'Localized title' )
# The 'description' option specifies the localized description of the chanel to be set.
parser . add_argument ( '--description' , help = 'Localized description of the channel to be set.' ,
default = 'Localized description' )

args = parser . parse_args ()

if not args . channel_id :
exit ( " Please specify channel id using the --channel_id= parameter. " )
exit ( ' Please specify channel id using the --channel_id= parameter. ' )

youtube = get_authenticated_service ( args )
youtube = get_authenticated_service ()
try :
if args . action == 'set' :
set_channel_localization ( youtube , args . channel_id , args . default_language , args . language , args . description )
set_channel_localization ( youtube , args )
elif args . action == 'get' :
get_channel_localization ( youtube , args . channel_id , args . language )
elif args . action == 'list' :
list_channel_localizations ( youtube , args . channel_id )
else :
exit ( " Please specify a valid action using the --action= parameter. " )
exit ( ' Please specify a valid action using the --action= parameter. ' )
except HttpError , e :
print " An HTTP error %d occurred: \n %s " % ( e . resp . status , e . content )
print ' An HTTP error %d occurred: \n %s ' % ( e . resp . status , e . content )
else :
print " Set and retrieved localized metadata for a channel. "
print ' Set or retrieved localized metadata for a channel. '

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